Patent Attorney since 2001
Trademark Attorney since 2001
Organic Chemistry、Inorganic Chemistry、Chemical Engineering、Fine Chemicals、Polymer Science and Engineering、Food science and technology、Material Science and Engineering
Chinese、English
Drafting Patent Application Documents、Patent prosecution (including domestic patent application, PCT application and foreign patent application、Patent Reexamination、Patent Invalidation、Patent validity Litigation、Patent Infringement Litigation、Legal Opinion on Patent Infringement、Administrative Protection of Patent Right、Patent Search、FTO Opinion、Third-party Observation/Public Opinion、Patent strategy design、Intellectual property training、Novelty search
1.In 2019-2020, Ms. DENG represented a US company for an infringement of trade secret case before Shanghai IP Court, and a settlement agreement was established after two court hearings and negotiation
2.In the case of unfavorable European counter-patent opposition result, Ms. DENG won a patent invalidation procedure to successively maintain validity of the patent right of a Danish company in the field of coatings as its representative in 2019
3.In 2015-2016, Ms. DENG represented a US petrochemical company for a patent infringement dispute case before Shantou IP Office, and the corresponding first instance of administrative litigation case before Guangzhou IP Court. After negotiation, a settlement agreement is established
4.In 2016, Ms. DENG represented a US company in the field of detergent and won patent invalidation, entirely invalidating a patent of a competitor; in 2018, won the first instance of patent administrative litigation before Beijing IP Court; and won the second instance of patent administrative litigation before Beijing high People’s Court in 2019
5.In 2015 and 2016, Ms. DENG represented a Sweden Company in liquid crystal field and filed two invalidation requests separately, and finally won the case and entirely invalidating a patent of a competitor
6.In 2014, Ms. DENG represented a German chemical company and won patent invalidation, declaring a competitor’s patent invalid in whole
7.In 2011, Ms. DENG represented a US petrochemical company and won the patent invalidation case, maintaining validity of the whole patent; in 2013, won the first instance of patent administrative litigation before Beijing First Intermediate People’s Court
8.In 2009, Ms. DENG represented a German Energy company and won patent invalidation, declaring a competitor’s patent invalid in whole
9.In 2007, Ms. DENG represented a US petrochemical company regarding a patent invalidation case. After 4 years, the invalidation decision was made. Although this patent is partially invalidated, the remained technical solutions in claims have great commercial values. The examination of this case This case was selected as one of the top ten cases of the Patent Reexamination Board in the year of 2011